Pith Number

pith:WOWGM5ME

pith:2012:WOWGM5MEZMAJKDUJLGLHBO3GBQ

not attested not anchored not stored refs pending

On the satisfiability problem for a 4-level quantified syllogistic and some applications to modal logic (extended version)

Domenico Cantone, Marianna Nicolosi Asmundo

arxiv:1209.1943 v1 · 2012-09-10 · cs.LO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WOWGM5MEZMAJKDUJLGLHBO3GBQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:45:54.039290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3ac667584cb00950e89599670bb660c2b808d4e085668c3b39344f441b0bd1e

Aliases

arxiv: 1209.1943 · arxiv_version: 1209.1943v1 · doi: 10.48550/arxiv.1209.1943 · pith_short_12: WOWGM5MEZMAJ · pith_short_16: WOWGM5MEZMAJKDUJ · pith_short_8: WOWGM5ME

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/WOWGM5MEZMAJKDUJLGLHBO3GBQ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: b3ac667584cb00950e89599670bb660c2b808d4e085668c3b39344f441b0bd1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f6df3f69cd866d6d0241f6df7ef46123e400ce004b056100f3240ddbd8dcdf2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-09-10T11:05:55Z",
    "title_canon_sha256": "9230420af939c580c573a519e44731ea3fd93e9fb3a6d94fea851d21183dcbde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1943",
    "kind": "arxiv",
    "version": 1
  }
}